Guess it was time to cash out.

Eliminate an enemy using a throwable object.

Complete "Dumbledore's Army"

Turn the sound down to 0 and music off in the options menu whilst in the library

Complete the Quidditch level within five minutes

Defeat Harry (as Voldemort), in the Graveyard

Scare 20 students using a ghost character

Defeat Quirrell in the Quirrell boss fight, using Voldemort

Complete all the LEGO Builder tutorial levels.

Unlock all Animagi

Collect all of the Gold Bricks

Rescue all students in peril

Buy the entire Weasley family